Japan's debt-to-gross domestic product (GDP) ratio is the highest among Organisation for Economic Co-operation and Development (OECD) countries. This paper will firstly answer the question of whether Japanese government debt is sustainable. Next, while the Domar condition and Bohn's condition...

To achieve the sustainable development goals (SDGs) as well as the Paris Agreement major investments in renewable energy (RE) production are necessary worldwide. In particular, decentralized, small-scale projects offer copious potential to create energy access as well as to contribute to an...

In 2017, global investment in renewables and energy efficiency declined by 3% and there is a risk that it will slow further; clearly fossil fuels still dominate energy investment. This could threaten the expansion of green energy needed to provide energy security and meet climate and clean air...

This paper examines the current landscape of environmental, social, and governance (ESG) investing by focusing on environment. We analyze the discrepancies in ESG scoring methodologies among different rating agencies and demonstrate how these inconsistencies can lead to distorted investment...